This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. Daily listings are sent to bgp-stats@lists.apnic.net For historical data, please see http://thyme.apnic.net. If you have any comments please contact Philip Smith <pfs@cisco.com>. Routing Table Report 04:00 +10GMT Sat 06 Jan, 2007 Analysis Summary ---------------- BGP routing table entries examined: 206844 Prefixes after maximum aggregation: 111991 Unique aggregates announced to Internet: 100827 Total ASes present in the Internet Routing Table: 24049 Origin-only ASes present in the Internet Routing Table: 20953 Origin ASes announcing only one prefix: 10138 Transit ASes present in the Internet Routing Table: 3096 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 32 Max AS path prepend of ASN (20858) 18 Prefixes from unregistered ASNs in the Routing Table: 1 Unregistered ASNs in the Routing Table: 2 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1653079244 Equivalent to 98 /8s, 135 /16s and 252 /24s Percentage of available address space announced: 44.6 Percentage of allocated address space announced: 63.3 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 105139 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 45898 Total APNIC prefixes after maximum aggregation: 18562 Prefixes being announced from the APNIC address blocks: 43505 Unique aggregates announced from the APNIC address blocks: 19019 APNIC Region origin ASes present in the Internet Routing Table: 2808 APNIC Region origin ASes announcing only one prefix: 796 APNIC Region transit ASes present in the Internet Routing Table: 419 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 274524512 Equivalent to 16 /8s, 92 /16s and 233 /24s Percentage of available APNIC address space announced: 85.8 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7 210/7, 218/7, 220/7 and 222/8 ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 102166 Total ARIN prefixes after maximum aggregation: 60488 Prefixes being announced from the ARIN address blocks: 75332 Unique aggregates announced from the ARIN address blocks: 28694 ARIN Region origin ASes present in the Internet Routing Table: 11254 ARIN Region origin ASes announcing only one prefix: 4305 ARIN Region transit ASes present in the Internet Routing Table: 1040 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 311753344 Equivalent to 18 /8s, 148 /16s and 250 /24s Percentage of available ARIN address space announced: 68.8 ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6, 208/7 and 216/8 RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 42720 Total RIPE prefixes after maximum aggregation: 27995 Prefixes being announced from the RIPE address blocks: 39492 Unique aggregates announced from the RIPE address blocks: 26431 RIPE Region origin ASes present in the Internet Routing Table: 8986 RIPE Region origin ASes announcing only one prefix: 4735 RIPE Region transit ASes present in the Internet Routing Table: 1442 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 283511204 Equivalent to 16 /8s, 230 /16s and 9 /24s Percentage of available RIPE address space announced: 76.8 RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-43007 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8 LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 13510 Total LACNIC prefixes after maximum aggregation: 3996 Prefixes being announced from the LACNIC address blocks: 11599 Unique aggregates announced from the LACNIC address blocks: 7147 LACNIC Region origin ASes present in the Internet Routing Table: 754 LACNIC Region origin ASes announcing only one prefix: 250 LACNIC Region transit ASes present in the Internet Routing Table: 130 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 36014848 Equivalent to 2 /8s, 37 /16s and 139 /24s Percentage of available LACNIC address space announced: 53.7 LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7 AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 2549 Total AfriNIC prefixes after maximum aggregation: 950 Prefixes being announced from the AfriNIC address blocks: 1794 Unique aggregates announced from the AfriNIC address blocks: 1128 AfriNIC Region origin ASes present in the Internet Routing Table: 171 AfriNIC Region origin ASes announcing only one prefix: 52 AfriNIC Region transit ASes present in the Internet Routing Table: 32 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5345024 Equivalent to 0 /8s, 81 /16s and 143 /24s Percentage of available AfriNIC address space announced: 15.9 AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8 APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4134 1259 8641 262 CHINANET-BACKBONE 4755 1043 384 68 Videsh Sanchar Nigam Ltd. Aut 9583 1022 109 16 Sify Limited 9498 903 467 64 BHARTI BT INTERNET LTD. 23577 769 34 698 KRNIC 4766 759 4946 312 Korea Telecom (KIX) 1221 578 1714 448 Telstra Pty Ltd 17488 565 35 21 Hathway IP Over Cable Interne 7545 555 126 73 TPG Internet Pty Ltd 17676 503 10935 66 Softbank BB Corp. 18101 492 87 28 Reliance Infocom Ltd Internet 9443 442 111 74 Primus Telecommunications 9942 439 81 131 COMindico Australia 4812 437 759 69 China Telecom (Shanghai) 17849 414 36 126 Telecommunications Technology 17974 362 129 12 PT TELEKOMUNIKASI INDONESIA 4802 360 86 150 Wantree Development 17557 352 35 169 Pakistan Telecom 2907 332 1749 309 SINET Japan 4837 332 3943 145 chinanet IDC center beijing n ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7018 1536 6174 996 AT&T WorldNet Services 2386 1108 586 733 AT&T Data Communications Serv 4323 1060 821 299 Time Warner Telecom 6197 1021 639 500 BellSouth Network Solutions, 18566 983 272 8 Covad Communications 174 946 6791 872 Cogent Communications 701 924 6674 748 UUNET Technologies, Inc. 11492 844 99 17 Cable One 1239 825 2730 577 Sprint 19262 809 2528 181 Verizon Global Networks 721 780 21901 293 DLA Systems Automation Center 20115 769 670 408 Charter Communications 209 721 3764 568 Qwest 22773 713 1744 40 Cox Communications, Inc. 7011 688 211 432 Citizens Utilities 852 603 1092 391 Telus Advanced Communications 5668 568 161 19 CenturyTel Internet Holdings, 19916 567 48 57 OLM LLC 6198 549 535 257 BellSouth Network Solutions, 855 538 250 73 Canadian Research Network RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 702 544 1912 423 UUNET - Commercial IP service 3301 306 1199 288 TeliaNet Sweden 3320 296 4993 247 Deutsche Telekom AG 24863 295 45 25 LINKdotNET AS number 8220 270 473 261 COLT Telecommunications 6746 263 92 241 Dynamic Network Technologies, 680 257 2042 251 DFN-IP service G-WiN 3215 230 2104 96 France Telecom Transpac 8708 230 282 217 Romania Data Systems S.A. 1257 213 1069 170 SWIPnet Swedish IP Network 3269 210 2373 73 TELECOM ITALIA 30890 208 19 90 SC Kappa Invexim SRL 5416 206 13 9 BATELCO-BH 3246 205 353 195 Song Networks 8551 196 197 24 Bezeq International 3300 176 171 89 AUCS Communications Services 3352 176 1767 31 Ibernet, Internet Access Netw 12479 175 578 6 Uni2 Autonomous System 786 172 1795 172 The JANET IP Service 9116 170 134 23 Goldenlines main autonomous s LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 824 2015 205 UniNet S.A. de C.V. 11830 483 299 19 Instituto Costarricense de El 11172 385 104 74 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 307 206 11 VTR PUNTO NET S.A. 14117 258 16 13 Telefonica del Sur S.A. 6471 256 74 31 ENTEL CHILE S.A. 7303 227 102 36 Telecom Argentina Stet-France 6147 224 182 20 Telefonica Del Peru 6503 216 170 93 AVANTEL, S.A. 11556 211 104 6 Cable-Wireless Panama 10481 181 72 8 Prima S.A. 21826 156 20 35 INTERCABLE 23216 146 19 43 RAMtelecom Telecomunicaciones 18822 145 9 10 TELEFONICA MANQUEHUE 7910 144 10 31 ANDINET ON LINE 19429 142 84 35 E.T.B. 19169 139 9 22 Telconet 14522 131 21 10 SatNet S.A. 7738 116 442 21 Telecomunicacoes da Bahia S.A AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 3741 289 868 231 The Internet Solution 8452 230 60 7 TEDATA 15475 147 84 4 Nile Online 6713 144 135 11 Itissalat Al-MAGHRIB 2018 138 309 113 Tertiary Education Network 5536 123 8 15 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 109 6 4 EEPAD TISP TELECOM & INTERNET 2905 85 176 74 The Internetworking Company o 2561 60 6 2 Egyptian Universities Network 15706 55 12 4 Sudatel Internet Exchange Aut 23889 55 13 15 MAURITIUS TELECOM 5713 41 294 34 Telkom SA Ltd 12455 39 6 3 Jambonet Autonomous system 33774 38 12 22 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 33766 33 2 1 Nyala Communications Pty Ltd 8524 30 2 6 AUCEGYPT Autonomous System 15804 27 2 1 AS of The Way Out Internet So 33776 27 2 5 Starcomms Nigeria Limited Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 9583 1022 1006 Sify Limited 4134 1259 997 CHINANET-BACKBONE 4755 1043 975 Videsh Sanchar Nigam Ltd. Aut 18566 983 975 Covad Communications 9498 903 839 BHARTI BT INTERNET LTD. 11492 844 827 Cable One 4323 1060 761 Time Warner Telecom 22773 713 673 Cox Communications, Inc. 19262 809 628 Verizon Global Networks 8151 824 619 UniNet S.A. de C.V. 5668 568 549 CenturyTel Internet Holdings, 17488 565 544 Hathway IP Over Cable Interne 6197 1021 521 BellSouth Network Solutions, 19916 567 510 OLM LLC 721 780 487 DLA Systems Automation Center 7545 555 482 TPG Internet Pty Ltd 855 538 465 Canadian Research Network 18101 492 464 Reliance Infocom Ltd Internet 11830 483 464 Instituto Costarricense de El 15270 495 461 PaeTec.net -a division of Pae List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 172.33.1.0/24 7018 AT&T WorldNet Services 192.0.10.0/24 9498 BHARTI BT INTERNET LTD. 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.172.0.0/19 721 DLA Systems Automation Center Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:10 /10:13 /11:30 /12:115 /13:228 /14:409 /15:798 /16:9102 /17:3626 /18:5922 /19:12918 /20:14497 /21:12910 /22:16423 /23:17882 /24:110279 /25:629 /26:458 /27:352 /28:71 /29:43 /30:87 /31:0 /32:23 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 18566 966 983 Covad Communications 9583 850 1022 Sify Limited 11492 830 844 Cable One 7018 828 1536 AT&T WorldNet Services 2386 827 1108 AT&T Data Communications Serv 6197 794 1021 BellSouth Network Solutions, 23577 755 769 KRNIC 7011 593 688 Citizens Utilities 4766 568 759 Korea Telecom (KIX) 9498 566 903 BHARTI BT INTERNET LTD. 19916 562 567 OLM LLC 4755 482 1043 Videsh Sanchar Nigam Ltd. Aut 15270 463 495 PaeTec.net -a division of Pae 5668 440 568 CenturyTel Internet Holdings, 855 435 538 Canadian Research Network 18101 425 492 Reliance Infocom Ltd Internet 1239 412 825 Sprint 17849 397 414 Telecommunications Technology 33588 396 418 Bresnan Communications, LLC. 17488 388 565 Hathway IP Over Cable Interne Number of /24s announced per /8 block (Global) ---------------------------------------------- 4:9 8:62 9:1 12:1657 13:1 15:15 16:3 17:3 18:5 20:36 24:844 25:1 32:55 38:274 40:57 41:56 44:2 47:10 52:4 53:1 55:1 56:3 57:25 58:279 59:357 60:189 61:973 62:1056 63:1892 64:3177 65:2289 66:3091 67:692 68:654 69:1694 70:404 71:130 72:1109 74:123 75:51 76:18 80:811 81:767 82:631 83:348 84:480 85:774 86:405 87:452 88:255 89:720 90:2 91:108 97:1 121:116 122:53 123:8 124:507 125:747 128:312 129:221 130:126 131:315 132:47 133:9 134:177 135:44 136:179 137:114 138:189 139:51 140:497 141:134 142:348 143:212 144:264 145:67 146:320 147:140 148:362 149:173 150:113 151:117 152:90 153:119 154:5 155:246 156:150 157:151 158:166 159:137 160:99 161:96 162:225 163:158 164:238 165:237 166:243 167:283 168:480 169:121 170:362 171:12 172:1 189:49 190:328 192:5738 193:3618 194:2871 195:2177 196:942 198:3778 199:3277 200:4631 201:946 202:7025 203:7233 204:3962 205:2108 206:2429 207:2900 208:2373 209:3589 210:2249 211:884 212:1314 213:1438 214:386 215:39 216:4087 217:1182 218:347 219:256 220:840 221:370 222:275 End of report Report Website: http://thyme.apnic.net